OpenStack: Install RabbitMQ Message Broker

Install RabbitMQ Server

yum -y install rabbitmq-server
systemctl start rabbitmq-server

User Management

rabbitmqctl delete_user guest
rabbitmqctl add_user rabbitmqauth redhat
rabbitmqctl set_permissions rabbitmqauth ".*" ".*" ".*"
rabbitmqctl set_user_tags rabbitmqauth administrator
rabbitmqctl list_users

SSL Certificate Stuff

mkdir /etc/rabbitmq/testca
cd /etc/rabbitmq/testca
mkdir certs private
chmod 700 private
echo 01 > serial
touch index.txt

wget -P /etc/rabbitmq/testca/ http://classroom.example.com/materials/openssl.cnf

openssl req -x509 -config openssl.cnf -newkey rsa:2048 -days 365 -out cacert.pem -outform PEM -subj /CN=MyTestCA/ -nodes
openssl x509 -in cacert.pem -out cacert.cer -outform DER

mkdir -p /etc/rabbitmq/server
cd /etc/rabbitmq/server
openssl genrsa -out key.pem 2048
openssl req -new -key key.pem -out req.pem -outform PEM -subj /CN=$(hostname)/O=server= -nodes

mkdir -p /etc/rabbitmq/client
cd /etc/rabbitmq/client
openssl genrsa -out key.pem 2048
openssl req -new -key key.pem -out req.pem -outform PEM -subj /CN=$(hostname)/O=client/ -nodes

cd ../testca/
openssl ca -config openssl.cnf -in ../server/req.pem -out ../server/cert.pem -notext -batch -extensions client_ca_extensions
cd ../server
openssl pkcs12 -export -out keycert.p12 -in cert.pem -inkey key.pem -passout pass:MySecretPassword

cd ../testca/
openssl ca -config openssl.cnf -in ../client/req.pem -out ../client/cert.pem -notext -batch -extensions client_ca_extensions
cd ../client/
openssl pkcs12 -export -out keycert.p12 -in cert.pem -inkey key.pem -passout pass:MySecretPassword

cd
wget -P /etc/rabbitmq/ http://classroom.example.com/materials/rabbitmq.config

Firewall Stuff

firewall-cmd --add-port=5672/tcp --permanent
firewall-cmd --add-port=5671/tcp --permanent
firewall-cmd --reload
systemctl restart rabbitmq-server

[root@server2-a ~]# netstat -nlp | grep 567
tcp6       0      0 :::5671                 :::*                    LISTEN      2745/beam.smp       
tcp6       0      0 :::5672                 :::*                    LISTEN      2745/beam.smp

Enable RabbitMQ

systemctl enable rabbitmq-server